<script>
var age = 20;
var isHaveFriend = false;

var isHaveHouse = false;
var isHaveCar = false;
var money = 420;

var schoolName = "北大青鸟";

alert((age>=28&&!isHaveFriend)&&((isHaveHouse&&isHaveCar&&money>=1000000)||(schoolName=="清华"||schoolName=="北大")));

</script>